Collected in Yangzhou Han Guangling Tomb Museum
Diameter 21.2cm, aperture 4.4cm, 0.4 cm in thickness
Unearthed in II tomb Shenju Mountain Gaoyou, Yanzhou in 1980
Sapphire, there are three circles of engravings from inside to the outside. The inner circle is grain pattern, the middle is Jomon, and the edging is a variant Pan Chi pattern. There are five crack patterns on the jade body; one fracture, a corner incomplete has been repaired.